X-ray diffraction
1.79Å resolution

The structure of rice weevil pectin methyl esterase

Source organism: Sitophilus oryzae
Primary publication:
The structure of rice weevil pectin methylesterase.
Acta Crystallogr F Struct Biol Commun 70 1480-4 (2014)
PMID: 25372813

Function and Biology Details

Reaction catalysed:
Pectin + n H(2)O = n methanol + pectate
Biochemical function:
Biological process:
Cellular component:

Structure analysis Details

Assembly composition:
monomeric (preferred)
Entry contents:
1 distinct polypeptide molecule
Pectinesterase Chain: A
Molecule details ›
Chain: A
Length: 366 amino acids
Theoretical weight: 39.04 KDa
Source organism: Sitophilus oryzae
Expression system: Spodoptera
  • Canonical: E7CIP7 (Residues: 17-382; Coverage: 100%)
Gene name: CE8-1
Sequence domains: Pectinesterase
Structure domains: Single-stranded right-handed beta-helix, Pectin lyase-like

Ligands and Environments

No bound ligands
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: APS BEAMLINE 19-BM
Spacegroup: C2221
Unit cell:
a: 37.429Å b: 73.939Å c: 204.897Å
α: 90° β: 90° γ: 90°
R R work R free
0.176 0.173 0.226
Expression system: Spodoptera